iPhone 15 Pro vs iPhone X
Shop iPhone
iPhone 15 Pro
Starting at
£542.00£999.00 new
iPhone X
Starting at
£121.10£449.00 newWhat's the difference between the iPhone 15 Pro and iPhone X?
iPhone 15 Pro vs X comes down to the chipset, RAM and battery. Refurbished, the iPhone X starts at £121.10, £420.90 less than the iPhone 15 Pro. The iPhone 15 Pro is the newer model, released in 2023.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Apple A17 Pro on the iPhone 15 Pro, Apple A11 Bionic (10 nm) on the iPhone X.
- The iPhone 15 Pro has more RAM: 8 GB vs 3 GB.
- The iPhone 15 Pro has a bigger battery: 3274 mAh vs 2716 mAh.
iPhone 15 Pro vs iPhone X specs
The iPhone 15 Pro and iPhone X differ in many ways that matter depending on your needs. The iPhone 15 Pro has a larger and more detailed screen, more powerful processor and RAM, and higher resolution cameras, making it better for photography, multitasking, and media consumption. It also supports 5G networks and uses an eSIM. The iPhone X has a smaller screen, simpler cameras, and supports 4G with a physical SIM. It suits those who want a capable phone for everyday use with fewer features and storage options.
iPhone 15 Pro vs iPhone X price
Colour
iPhone 15 Pro vs iPhone X battery life and software updates
Durability includes battery capacity, software support, and device size. These aspects affect how long the phone lasts each day and how up to date it stays with software improvements.
Battery Capacity
The iPhone 15 Pro has a 3274 mAh battery, which is larger than the iPhone X's 2716 mAh. This means the iPhone 15 Pro can generally run longer between charges, suiting users who spend more time away from a power source.
Device Size
The iPhone 15 Pro measures 146.6 mm in height, 70.6 mm in width, and is 8.3 mm deep, while the iPhone X is slightly taller at 143.6 mm, wider at 70.9 mm, and 7.7 mm deep. The 15 Pro is fractionally lighter at 171 g compared to 174 g, offering a subtly different feel in hand.
Battery
Foldable
Ip rating
Software updates
Wireless charging
Year of release
iPhone 15 Pro vs iPhone X performance
Performance covers processing power, memory, and storage. These affect how smoothly the phone runs apps, multitasks, and stores data.
Processor Power
The iPhone 15 Pro uses the Apple A17 Pro chipset, offering more advanced processing compared to the iPhone X's Apple A11 Bionic (10 nm). This means the 15 Pro is suited for demanding apps and more responsive overall performance.
Memory
With 8 GB of RAM, the iPhone 15 Pro can keep more apps open and switch between them smoothly. The iPhone X has 3 GB of RAM, which is enough for everyday use but may be less comfortable when multitasking heavily.
Storage Options
The iPhone 15 Pro is available with 128GB, 256GB, 512GB, and 1TB storage sizes, giving flexibility for more apps, files, and media. The iPhone X offers 64GB and 256GB options, which suit users with moderate storage needs.
Chipset
RAM
iPhone 15 Pro vs iPhone X screen
Screen quality affects how you view photos, videos, and apps. Size, resolution, and screen type all influence clarity, colour, and comfort.
Screen Size and Resolution
The iPhone 15 Pro has a 6.1 inch screen with a resolution of 1179 x 2556 pixels, providing a larger and sharper display. The iPhone X offers a 5.8 inch screen at 1125 x 2436 pixels, which is slightly smaller and less detailed but still clear for everyday use.
Screen Technology
The iPhone 15 Pro uses an LTPO Super Retina XDR OLED screen, which supports variable refresh rates and better power efficiency. The iPhone X has a Super Retina OLED screen, offering rich colours and contrast but without the LTPO technology.
Refresh rate
Resolution
Screen size
Screen type
iPhone 15 Pro vs iPhone X camera
Audiovisual features include cameras for photos and video. Higher megapixels capture more detail and allow for better image quality.
Main Camera
The iPhone 15 Pro has a 48 megapixel main camera, which captures more detail for sharper and more versatile photos. The iPhone X has a 12 megapixel main camera, suitable for standard photography needs.
Front Camera
For selfies and video calls, the iPhone 15 Pro features a 12 megapixel front camera, offering clearer and more detailed images. The iPhone X has a 7 megapixel front camera, which meets basic front-facing photo and video requirements.
Camera type
Front camera
Main camera
iPhone 15 Pro vs iPhone X size and design
Other differences include network compatibility, connectors, SIM options, and physical dimensions that affect daily use and connectivity.
Network Compatibility
The iPhone 15 Pro supports 5G networks, delivering faster data speeds where available. The iPhone X works with 4G networks, which are more common but slower in comparison.
Connector Type
The iPhone X uses the Lightning connector, which is specific to earlier iPhones.
SIM Card Type
The iPhone 15 Pro uses an eSIM, which allows you to activate mobile plans digitally without a physical SIM card. The iPhone X uses a physical SIM card, requiring you to insert a card for mobile service.
Carrier Compatibility
Both the iPhone 15 Pro and iPhone X come unlocked, so you can use them with any compatible network provider in the UK.
Physical Dimensions and Weight
The iPhone 15 Pro is 146.6 mm tall, 70.6 mm wide, 8.3 mm deep, and weighs 171 g. The iPhone X is 143.6 mm tall, 70.9 mm wide, 7.7 mm deep, and weighs 174 g. These small differences affect how each phone feels in your hand or pocket.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
iPhone 15 Pro or iPhone X: which should you buy?
Buy the iPhone 15 Pro if
- you want more RAM (8 GB vs 3 GB)
- you want a bigger battery (3274 mAh vs 2716 mAh)
- you want a bigger screen (6.1 inch vs 5.8 inch)
Buy the iPhone X if
- you want to spend less: it starts at £121.10, £420.90 less than the iPhone 15 Pro
- you want a lighter build (174 g vs 187 g)
What our customers say
Customers who bought the iPhone 15 Pro appreciate that it looks like new with little to no scratches and strong battery health, often around 88 to 100 percent. They find the phone performs smoothly with a great camera and clear screen. Many mention satisfaction with the phone's condition and remark on its suitability for photography and everyday use. Some highlight the environmental benefits of buying refurbished and feel confident in the quality after testing the phone's functions.
Those who chose the iPhone X praise its good condition and solid battery life, with some noting it feels like new. The phone suits people looking for a reliable device without needing the latest features. Buyers mention the phone runs smoothly for daily tasks and offers enough storage for photos and apps. Some users note occasional minor marks but find them unimportant. The iPhone X appeals to users seeking a simpler, lower priced device.
In summary, the iPhone 15 Pro is preferred by those wanting more advanced capabilities and a larger, higher resolution screen with better cameras. The iPhone X fits well for users who want a capable iPhone for everyday tasks with fewer features and storage choices.
iPhone 15 Pro vs iPhone X FAQs
iPhone 15 Pro vs X comes down to the chipset, RAM and battery. Chipset: Apple A17 Pro on the iPhone 15 Pro, Apple A11 Bionic (10 nm) on the iPhone X. The iPhone 15 Pro has more RAM: 8 GB vs 3 GB.
The iPhone X is cheaper refurbished, from £121.10 compared with £542 for the iPhone 15 Pro.
The iPhone 15 Pro has a bigger battery: 3274 mAh vs 2716 mAh.
The iPhone 15 Pro has a higher-resolution main camera: 48 megapixels vs 12 megapixels.
The iPhone 15 Pro is still supported and can run iOS 27. Updates for the iPhone X ended in Mar 2025. Its last version is iOS 16.
The iPhone 15 Pro adds more RAM (8 GB vs 3 GB), a bigger battery (3274 mAh vs 2716 mAh) and a bigger screen (6.1 inch vs 5.8 inch). Refurbished, it costs £420.90 more (from £542 vs £121.10).
Refurbished, the iPhone 15 Pro comes in 128GB, 256GB, 512GB and 1TB, and the iPhone X in 64GB and 256GB.









